AZO种子层对ZnO纳米棒结构和光致发光性能的影响  

Effect of AZO seed layer on structure and photoluminescence properties of ZnO nanorods

作　　者：王玉新[1] 刘奇[1] 刘子伟[1] 张巍[1] 陈苗苗[1] 臧谷丹 崔潇文[1] 

机构地区：[1]辽宁师范大学物理与电子技术学院,辽宁大连116029

出　　处：《辽宁师范大学学报（自然科学版）》2016年第4期469-473,共5页Journal of Liaoning Normal University:Natural Science Edition

基　　金：辽宁省教育厅科学研究一般项目(L2015292)

摘　　要：采用水热法以不同溅射时间（5-25min）制备的AZO种子层载玻片为衬底,制备出具有较好光致发光性能的ZnO纳米棒.采用X射线衍射仪（XRD）、扫描电子显微镜（SEM）和光致发光谱（PL）表征了样品的晶体结构、表面形貌和光致发光性能.结果表明：AZO种子层对ZnO纳米棒起到了很好的导向作用,使c轴取向更好,实现对生长方向的控制.AZO种子层的溅射时间对纳米棒的PL谱有重要影响,在一定范围内随着溅射时间的增加,ZnO纳米棒的近紫外发光峰有明显的增强,深能级发光峰有一定的减弱.当溅射时间为15min时,PL谱显示紫外发光峰强度最大,光致发光性能最佳.ZnO nanorods with better photoluminescence properties were successfully synthesized by Hydrothermal method on glass substrate using AZO as seed layer sputtered by different time（5-25min）.The crystal structural,surface morphology and photoluminescence（PL）spectra of samples were investigated by X-ray diffraction（XRD）,scanning electron microscopy（SEM）and photoluminescence（PL）,respectively.Experimental results show that the AZO seed layer controlled commendably the growth direction of the ZnO nanorods along c axis.The sputtering time of AZO seed layer has significantl effect on photoluminescence properties of ZnO nanorods.In the appropriate range,the NBE-peaks increase apparently and the deep-level emission peaks decrease partly as the sputtering time rising.When the sputtering time was 15 min,PL shows the highest NBE-peaks and the optimum photoluminescence properties.

关 键 词：AZO种子层 水热法 表面形貌 光致发光谱 

分 类 号：O484.1[理学—固体物理]